Area Code +81-120-(037000...037999) located in Freephone, more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 120 Subscriber Number From : 037000 Subscriber Number To : 037999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : F (Freephone) Carrier Name : NTT Communications Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) City : Freephone Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.6900 Longitude : 139.6900 ‹ previous : +81-120-(036000...036999) next › : +81-120-(038000...038999) Dialling Instructions For trunk calls: 0 120 037000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 120 037000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 037000 ~ 037999 (Count: 1,000) Example: +81-120-037000 / 01081-120-037000 (0120-037000 / 0-120-037000) +81-120-037001 / 01081-120-037001 (0120-037001 / 0-120-037001) +81-120-037002 / 01081-120-037002 (0120-037002 / 0-120-037002) +81-120-037003 / 01081-120-037003 (0120-037003 / 0-120-037003) +81-120-037004 / 01081-120-037004 (0120-037004 / 0-120-037004) ...+81-120-xxxxxx / 01081-120-xxxxxx (0120-xxxxxx / 0-120-xxxxxx) ...+81-120-037995 / 01081-120-037995 (0120-037995 / 0-120-037995) +81-120-037996 / 01081-120-037996 (0120-037996 / 0-120-037996) +81-120-037997 / 01081-120-037997 (0120-037997 / 0-120-037997) +81-120-037998 / 01081-120-037998 (0120-037998 / 0-120-037998) +81-120-037999 / 01081-120-037999 (0120-037999 / 0-120-037999)